在海上大气流中揭示多高斯相关异常旋模式的检测概率
概括
在多高斯相关异常 (MGCAV) 束中探测轨道角动量 (OAM) 的概率随着传播距离和流的增加而下降. 高西-谢尔相关异常 (GSCAV) 束在海上大气流中表现出更好的弹性.
科学领域:
- 光学和光子学 在光学和光子学.
- 大气物理学 大气物理学
- 光学通信是指光学通信.
背景情况:
- 轨道角动量 (OAM) 为光通信提供了独特的特性.
- 部分连贯的旋转束容易受到大气动荡的影响.
- 海上大气动荡给光束传播带来了挑战.
研究的目的:
- 调查多高斯相关异常 (MGCAV) 束中OAM的检测概率.
- 分析非科尔摩戈罗夫海上大气动荡对MGCAV光束的影响.
- 将MGCAV束的性能与高斯-谢尔相关异常 (GSCAV) 束进行比较.
主要方法:
- 用Rytov近似进行理论分析.
- 通过非科尔摩戈罗夫海上大气动荡模拟光束传播.
- 多种束参数 (顺序,索引,腰部) 和流参数 (距离,内部尺度,连贯宽度,非科尔摩戈罗夫参数).
主要成果:
- 随着传播距离,光束顺序和光束指数的增加,OAM检测概率会降低.
- 观察到OAM检测概率降低,内尺度降低,空间连贯宽度降低,非科尔摩戈罗夫参数.
- 由于相位特征,MGCAV光束与完全连贯的形模式相比具有较低的稳定性.
- 与MGCAV光束相比,GSCAV光束在海上大气动荡中表现出优越的弹性.
- 最佳的光束参数可以最大限度地提高OAM检测概率,并最大限度地减少闪.
结论:
- 波束和流参数显著影响MGCAV波束中OAM检测概率.
- 在海上环境中,GSCAV光束为光通信提供了增强的性能.
- 这些发现对于在海平面和海洋水平上开发强大的光通信系统至关重要.
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